331100404312123 has 4 divisors (see below), whose sum is σ = 345496074064848. Its totient is φ = 316704734559400.

The previous prime is 331100404312109. The next prime is 331100404312241. The reversal of 331100404312123 is 321213404001133.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 331100404312123 - 2²¹ = 331100402214971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331100404312091 and 331100404312100.

It is not an unprimeable number, because it can be changed into a prime (331100404312723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7197834876328 + ... + 7197834876373.

It is an arithmetic number, because the mean of its divisors is an integer number (86374018516212).

Almost surely, 2^{331100404312123} is an apocalyptic number.

331100404312123 is a deficient number, since it is larger than the sum of its proper divisors (14395669752725).

331100404312123 is a wasteful number, since it uses less digits than its factorization.

331100404312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14395669752724.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 331100404312123 its reverse (321213404001133), we get a palindrome (652313808313256).

The spelling of 331100404312123 in words is "three hundred thirty-one trillion, one hundred billion, four hundred four million, three hundred twelve thousand, one hundred twenty-three".